Polypentamethylene adipate
[化] 聚己二酸亚戊基酯
🧩 词语组成解析
己二酸
🗣️ 情景例句
I mean, there seems to be something to celebrate all the year round.
我的意思是，好像一年到头都要忙着庆祝似的。
I will take an escalator.
我将去搭手扶电梯。
Jim! Come this way, please!
吉姆，朝这边来。